Monitor ROM (MON)
Table 8-4. READ (Read Memory) Command
Description Read byte from memory
Operand 2-byte address in high-byte:low-byte order
Data
Returned
Returns contents of specified address
Opcode $4A
Command Sequence
SENT TO
MONITOR
ADDRESS
HIGH
ADDRESS
HIGH
ADDRESS
LOW
ADDRESS
LOW
READ
READ
DATA
ECHO
RETURN
Table 8-5. WRITE (Write Memory) Command
Description Write byte to memory
2-byte address in high-byte:low-byte order;
low byte followed by data byte
Operand
Data
Returned
None
Opcode $49
Command Sequence
FROM
HOST
ADDRESS
HIGH
ADDRESS
HIGH
ADDRESS
LOW
ADDRESS
LOW
DATA
DATA
WRITE
WRITE
ECHO
MC68HC908AP Family Data Sheet, Rev. 4
122
Freescale Semiconductor
FREESCALE [ Freescale ]
